Vocaroo creates voice files you can send or use.
  • Go to Vocaroo.com
  • Record
  • Listen
  • Right-click "Download as WAV"
Now you have a file you can embed in a wiki page
  • Open your wiki and login
  • Plant your cursor where you wish to have the audio file
  • Click the file button in the editing toolbar
  • Upload the WAV file
  • Click to place it
Voila!